diff --git a/build/ci/.code-quality-ci.yml b/build/ci/.code-quality-ci.yml
index d2258d772f78fc4c96741b16e4a5f82a7f2eeb91..e98a44c89d0b792ca7e6eb00dec62b7267458c95 100644
--- a/build/ci/.code-quality-ci.yml
+++ b/build/ci/.code-quality-ci.yml
@@ -2,8 +2,8 @@ code-quality-master:
   image: golangci/golangci-lint:latest-alpine
   stage: test
   rules:
-    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH'
-    - if: '$CI_DEFAULT_BRANCH'
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH
+    - if: $CI_DEFAULT_BRANCH
   script:
     # writes golangci-lint output to gl-code-quality-report.json
     - golangci-lint run --config build/ci/.golangci-config/.golangci-master.yml --out-format code-climate | tee gl-code-quality-report.json
diff --git a/build/ci/.documentation-ci.yml b/build/ci/.documentation-ci.yml
index 43ff8e5acef632835fad93f61310ad5241e0473e..cd9bbc427f9afacd78c3f4ec6be1f3cf9544c844 100644
--- a/build/ci/.documentation-ci.yml
+++ b/build/ci/.documentation-ci.yml
@@ -21,7 +21,7 @@ documentation:pdf:
   before_script:
       - cargo install mdbook
   image:
-    name: rustdocker/rust:stable
+    name: rust:latest
   stage: documentation
   script:
   - mdbook build documentation --dest-dir public